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TMD > Lec 3 > Flashcards

Lec 3 Flashcards

1
Q

Diseases that affect the TMJ.

A

Arthritis

Fibromyalgia

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2
Q

Used to indicate where the pain is.

A

Pain drawing.

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3
Q

T/F : Each body site marked with pain increases the risk of developing another pain disorder as well as for chronic pain.

A

True

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4
Q

The more areas that a person marks as painful, the greater their chance of getting this.

A

TMD

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5
Q

Can prescribe these if pain scale is high.

A

Pain meds or muscle relaxants.

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6
Q

Where does electrical pain come from?

A

Nerves

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7
Q

Dull pain comes from where?

A

Muscles

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8
Q

Sharp pain is from where?

A

Joint/arthritis

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9
Q

Musculoskeletal pain lasts for how long?

A

Hours

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10
Q

Nerve pain lasts for how long?

A

Seconds

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11
Q

TMD NEVER causes this.

A

Fever

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12
Q

Associated sign with TMD and headaches.

A

Blurred vision

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13
Q

Closed lock

A

Cannot open anymore

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14
Q

Locked with an open mouth.

A

Open lock

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15
Q

In TMD screening, this movement is added to horizontal movement to get the total horizontal movement for the patient.

A

Protrusive movement

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16
Q

Open your mouth as far as you can without increasing your existing pain.

Measured from middle of #8 to the incisal edge of the mandibular central incisor.

A

Pain Free Opening

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17
Q

Open as much as you can, even if it’s painful.

A

Maximum unassisted opening

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18
Q

You force the mouth open.

A

Maximum Assisted Opening

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19
Q

T/F:
If pain free opening is 25, Max unassisted opening is 29, and max assisted opening is 30, it’s the joint that’s the problem, not the muscle.

A

True

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20
Q

Exam Q:

If maximum unassisted opening is 35, and maximum assisted opening is 33 mm, the exam was what?

A

Terminated

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21
Q

If you know you can’t open too wide, is it the muscle or the joint that’s the problem?

A

JOINT

22
Q

How are lateral movements measured?

A

Between midlines

23
Q

When you can’t open all the way.

A

Closed lock

24
Q

When you can’t close all the way.

A

Open lock

25
Q

These have no diagnostic input.

A

1) Pain with a click

2) Opening pattern

26
Q

Minimum time needed to replicate a referral pattern.

A

5 seconds

27
Q

Pain that goes beyond the area that you’re palpating.

A

Referred pain

28
Q

Is TMJ imaging indicated for joint sounds?

A

No

29
Q

T/F:

Condylar eccentricity is not a reliable indicator of the soft tissue status of the joint, especially bc the shape of the condylar head is not concentric to the shape of the fossa.

A

TRUE

30
Q

Are condyles in a patient mirror images of each other?

A

No

31
Q

Can pans be used for condylar position or function ?

A

No because the mandible is partly opened and protruded when the radiograph is taken.

32
Q

Sensitivity of PANS for diagnosis of TMJ problems?

A

26%

33
Q

What to look for around the condyle in a PAN.

A

Cortical plate

34
Q

Hard or soft tissue is measured in an MRI?

A

SOFT

35
Q

Views in an MRI

A

Sagittal or Coronal

36
Q

The current gold standard of diagnostic imaging technology for soft tissues.

A

MRI

37
Q

Reference line in reading MRI’s for TMD.

A

Posterior band of the articular disk.

38
Q

This zone of the articular disc is always in contact with the condylar head.

A

Intermediate zone

39
Q

The band is always at or behind what time, but never anterior to it?

A

11:30

40
Q

Effusion of the TMJ

A

Swelling, inflammation and open bite.

41
Q

Need these positions for an MRI.

A

Open and closed.

42
Q

Relation of the condyle to the eminence when the mouth is open.

A

Down/anterior to the eminence.

43
Q

Imaging used to assess hard tissue.

A

CT (Computed Tomography)

44
Q

Imaging that CANNOT produce accurate images of the articular disc.

A

CT

45
Q

Tells you how much you open the jaw, how fast the movement is, and if the movement deviates to the left or right.

A

Jaw tracking

46
Q

Does jaw tracking have diagnostic validity?

A

No because there’s no differences between the jaw tracking of normal and TMD patients, and no difference in chewing patterns.

47
Q

Records electrical activity of muscle.

A

Electromyography

48
Q

Is there evidence to support the use of EMG for evaluation or diagnosis of TMD.

A

No.

EMG failed to discriminate between cases and controls.

49
Q

Records and graphically displays sounds made by the TMJ, but cannot be used to diagnose TMD.

A

Sonography and Vibratography.

50
Q

A device that senses and analyzes occlusal contact forces using paper-thin, disposable sensors.

Tells you which is the first contact, and which is the strongest contact.

A

T-Scan

TMD (14 decks)

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